Home / 239,070.16-358,501.56-81,256.24

Finding the Fourth Proportional to 239,070.16, 358,501.56 and 81,256.24

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Solution

The fourth proportional to 239,070.16, 358,501.56 and 81,256.24 is: 121,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,070.16 : 358,501.56 = 81,256.24 : x
  2. Step 2: Convert to fraction form
    239,070.16/358,501.56 = 81,256.24/x
  3. Step 3: Cross multiply
    239,070.16x = 358,501.56 × 81,256.24
  4. Step 4: Simplify right side
    239,070.16x = 29,130,488,799.73
  5. Step 5: Solve for x
    x = 29,130,488,799.73/239,070.16
  6. Step 6: Final answer
    x = 121,849.12

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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.