Home / 124,388.28-171,652.14-70,678.20

Finding the Fourth Proportional to 124,388.28, 171,652.14 and 70,678.20

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Solution

The fourth proportional to 124,388.28, 171,652.14 and 70,678.20 is: 97,533.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,388.28 : 171,652.14 = 70,678.20 : x
  2. Step 2: Convert to fraction form
    124,388.28/171,652.14 = 70,678.20/x
  3. Step 3: Cross multiply
    124,388.28x = 171,652.14 × 70,678.20
  4. Step 4: Simplify right side
    124,388.28x = 12,132,064,281.35
  5. Step 5: Solve for x
    x = 12,132,064,281.35/124,388.28
  6. Step 6: Final answer
    x = 97,533.82

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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.