Home / 124,279.69-171,507.13-70,565.86

Finding the Fourth Proportional to 124,279.69, 171,507.13 and 70,565.86

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Solution

The fourth proportional to 124,279.69, 171,507.13 and 70,565.86 is: 97,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,279.69 : 171,507.13 = 70,565.86 : x
  2. Step 2: Convert to fraction form
    124,279.69/171,507.13 = 70,565.86/x
  3. Step 3: Cross multiply
    124,279.69x = 171,507.13 × 70,565.86
  4. Step 4: Simplify right side
    124,279.69x = 12,102,547,267.05
  5. Step 5: Solve for x
    x = 12,102,547,267.05/124,279.69
  6. Step 6: Final answer
    x = 97,381.54

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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.