Home / 124,035.08-171,154.15-70,309.40

Finding the Fourth Proportional to 124,035.08, 171,154.15 and 70,309.40

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Solution

The fourth proportional to 124,035.08, 171,154.15 and 70,309.40 is: 97,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,035.08 : 171,154.15 = 70,309.40 : x
  2. Step 2: Convert to fraction form
    124,035.08/171,154.15 = 70,309.40/x
  3. Step 3: Cross multiply
    124,035.08x = 171,154.15 × 70,309.40
  4. Step 4: Simplify right side
    124,035.08x = 12,033,744,562.47
  5. Step 5: Solve for x
    x = 12,033,744,562.47/124,035.08
  6. Step 6: Final answer
    x = 97,018.88

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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.