Home / 130,258.92-179,753.45-72,118.25

Finding the Fourth Proportional to 130,258.92, 179,753.45 and 72,118.25

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Solution

The fourth proportional to 130,258.92, 179,753.45 and 72,118.25 is: 99,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,258.92 : 179,753.45 = 72,118.25 : x
  2. Step 2: Convert to fraction form
    130,258.92/179,753.45 = 72,118.25/x
  3. Step 3: Cross multiply
    130,258.92x = 179,753.45 × 72,118.25
  4. Step 4: Simplify right side
    130,258.92x = 12,963,502,986.10
  5. Step 5: Solve for x
    x = 12,963,502,986.10/130,258.92
  6. Step 6: Final answer
    x = 99,521.04

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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.