Home / 124,278.15-171,508.14-70,561.38

Finding the Fourth Proportional to 124,278.15, 171,508.14 and 70,561.38

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Solution

The fourth proportional to 124,278.15, 171,508.14 and 70,561.38 is: 97,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.15 : 171,508.14 = 70,561.38 : x
  2. Step 2: Convert to fraction form
    124,278.15/171,508.14 = 70,561.38/x
  3. Step 3: Cross multiply
    124,278.15x = 171,508.14 × 70,561.38
  4. Step 4: Simplify right side
    124,278.15x = 12,101,851,039.63
  5. Step 5: Solve for x
    x = 12,101,851,039.63/124,278.15
  6. Step 6: Final answer
    x = 97,377.14

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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.