Home / 210,097.92-289,841.28-129,496.02

Finding the Fourth Proportional to 210,097.92, 289,841.28 and 129,496.02

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Solution

The fourth proportional to 210,097.92, 289,841.28 and 129,496.02 is: 178,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,097.92 : 289,841.28 = 129,496.02 : x
  2. Step 2: Convert to fraction form
    210,097.92/289,841.28 = 129,496.02/x
  3. Step 3: Cross multiply
    210,097.92x = 289,841.28 × 129,496.02
  4. Step 4: Simplify right side
    210,097.92x = 37,533,292,191.71
  5. Step 5: Solve for x
    x = 37,533,292,191.71/210,097.92
  6. Step 6: Final answer
    x = 178,646.66

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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.