Home / 147,321.36-220,981.68-42,140.16

Finding the Fourth Proportional to 147,321.36, 220,981.68 and 42,140.16

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Solution

The fourth proportional to 147,321.36, 220,981.68 and 42,140.16 is: 63,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,321.36 : 220,981.68 = 42,140.16 : x
  2. Step 2: Convert to fraction form
    147,321.36/220,981.68 = 42,140.16/x
  3. Step 3: Cross multiply
    147,321.36x = 220,981.68 × 42,140.16
  4. Step 4: Simplify right side
    147,321.36x = 9,312,203,352.27
  5. Step 5: Solve for x
    x = 9,312,203,352.27/147,321.36
  6. Step 6: Final answer
    x = 63,210.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.