Home / 162,384.48-243,797.60-91,357.10

Finding the Fourth Proportional to 162,384.48, 243,797.60 and 91,357.10

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Solution

The fourth proportional to 162,384.48, 243,797.60 and 91,357.10 is: 137,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,384.48 : 243,797.60 = 91,357.10 : x
  2. Step 2: Convert to fraction form
    162,384.48/243,797.60 = 91,357.10/x
  3. Step 3: Cross multiply
    162,384.48x = 243,797.60 × 91,357.10
  4. Step 4: Simplify right side
    162,384.48x = 22,272,641,722.96
  5. Step 5: Solve for x
    x = 22,272,641,722.96/162,384.48
  6. Step 6: Final answer
    x = 137,159.92

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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.