Home / 124,178.68-171,390.20-70,468.70

Finding the Fourth Proportional to 124,178.68, 171,390.20 and 70,468.70

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Solution

The fourth proportional to 124,178.68, 171,390.20 and 70,468.70 is: 97,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,178.68 : 171,390.20 = 70,468.70 : x
  2. Step 2: Convert to fraction form
    124,178.68/171,390.20 = 70,468.70/x
  3. Step 3: Cross multiply
    124,178.68x = 171,390.20 × 70,468.70
  4. Step 4: Simplify right side
    124,178.68x = 12,077,644,586.74
  5. Step 5: Solve for x
    x = 12,077,644,586.74/124,178.68
  6. Step 6: Final answer
    x = 97,260.21

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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.