Home / 242,287.12-334,166.88-157,431.52

Finding the Fourth Proportional to 242,287.12, 334,166.88 and 157,431.52

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Solution

The fourth proportional to 242,287.12, 334,166.88 and 157,431.52 is: 217,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,287.12 : 334,166.88 = 157,431.52 : x
  2. Step 2: Convert to fraction form
    242,287.12/334,166.88 = 157,431.52/x
  3. Step 3: Cross multiply
    242,287.12x = 334,166.88 × 157,431.52
  4. Step 4: Simplify right side
    242,287.12x = 52,608,399,852.06
  5. Step 5: Solve for x
    x = 52,608,399,852.06/242,287.12
  6. Step 6: Final answer
    x = 217,132.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.