Home / 242,631.34-334,838.28-140,657.20

Finding the Fourth Proportional to 242,631.34, 334,838.28 and 140,657.20

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Solution

The fourth proportional to 242,631.34, 334,838.28 and 140,657.20 is: 194,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,631.34 : 334,838.28 = 140,657.20 : x
  2. Step 2: Convert to fraction form
    242,631.34/334,838.28 = 140,657.20/x
  3. Step 3: Cross multiply
    242,631.34x = 334,838.28 × 140,657.20
  4. Step 4: Simplify right side
    242,631.34x = 47,097,414,917.62
  5. Step 5: Solve for x
    x = 47,097,414,917.62/242,631.34
  6. Step 6: Final answer
    x = 194,111.01

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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.