Home / 130,035.16-179,452.02-73,446.76

Finding the Fourth Proportional to 130,035.16, 179,452.02 and 73,446.76

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Solution

The fourth proportional to 130,035.16, 179,452.02 and 73,446.76 is: 101,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,035.16 : 179,452.02 = 73,446.76 : x
  2. Step 2: Convert to fraction form
    130,035.16/179,452.02 = 73,446.76/x
  3. Step 3: Cross multiply
    130,035.16x = 179,452.02 × 73,446.76
  4. Step 4: Simplify right side
    130,035.16x = 13,180,169,444.46
  5. Step 5: Solve for x
    x = 13,180,169,444.46/130,035.16
  6. Step 6: Final answer
    x = 101,358.51

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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.