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Finding the Fourth Proportional to 163,117.60, 244,384.80 and 133,374.40

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Solution

The fourth proportional to 163,117.60, 244,384.80 and 133,374.40 is: 199,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,117.60 : 244,384.80 = 133,374.40 : x
  2. Step 2: Convert to fraction form
    163,117.60/244,384.80 = 133,374.40/x
  3. Step 3: Cross multiply
    163,117.60x = 244,384.80 × 133,374.40
  4. Step 4: Simplify right side
    163,117.60x = 32,594,676,069.12
  5. Step 5: Solve for x
    x = 32,594,676,069.12/163,117.60
  6. Step 6: Final answer
    x = 199,823.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.