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Finding the Fourth Proportional to 163,987.80, 245,981.70 and 160,877.40

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Solution

The fourth proportional to 163,987.80, 245,981.70 and 160,877.40 is: 241,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,987.80 : 245,981.70 = 160,877.40 : x
  2. Step 2: Convert to fraction form
    163,987.80/245,981.70 = 160,877.40/x
  3. Step 3: Cross multiply
    163,987.80x = 245,981.70 × 160,877.40
  4. Step 4: Simplify right side
    163,987.80x = 39,572,896,343.58
  5. Step 5: Solve for x
    x = 39,572,896,343.58/163,987.80
  6. Step 6: Final answer
    x = 241,316.10

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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.