Home / 162,530.91-224,280.47-90,897.09

Finding the Fourth Proportional to 162,530.91, 224,280.47 and 90,897.09

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Solution

The fourth proportional to 162,530.91, 224,280.47 and 90,897.09 is: 125,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,530.91 : 224,280.47 = 90,897.09 : x
  2. Step 2: Convert to fraction form
    162,530.91/224,280.47 = 90,897.09/x
  3. Step 3: Cross multiply
    162,530.91x = 224,280.47 × 90,897.09
  4. Step 4: Simplify right side
    162,530.91x = 20,386,442,066.83
  5. Step 5: Solve for x
    x = 20,386,442,066.83/162,530.91
  6. Step 6: Final answer
    x = 125,431.17

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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.