Home / 153,061.02-211,228.11-84,149.64

Finding the Fourth Proportional to 153,061.02, 211,228.11 and 84,149.64

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Solution

The fourth proportional to 153,061.02, 211,228.11 and 84,149.64 is: 116,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,061.02 : 211,228.11 = 84,149.64 : x
  2. Step 2: Convert to fraction form
    153,061.02/211,228.11 = 84,149.64/x
  3. Step 3: Cross multiply
    153,061.02x = 211,228.11 × 84,149.64
  4. Step 4: Simplify right side
    153,061.02x = 17,774,769,414.38
  5. Step 5: Solve for x
    x = 17,774,769,414.38/153,061.02
  6. Step 6: Final answer
    x = 116,128.65

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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.