Home / 142,445.04-213,832.54-83,323.14

Finding the Fourth Proportional to 142,445.04, 213,832.54 and 83,323.14

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Solution

The fourth proportional to 142,445.04, 213,832.54 and 83,323.14 is: 125,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,445.04 : 213,832.54 = 83,323.14 : x
  2. Step 2: Convert to fraction form
    142,445.04/213,832.54 = 83,323.14/x
  3. Step 3: Cross multiply
    142,445.04x = 213,832.54 × 83,323.14
  4. Step 4: Simplify right side
    142,445.04x = 17,817,198,666.98
  5. Step 5: Solve for x
    x = 17,817,198,666.98/142,445.04
  6. Step 6: Final answer
    x = 125,081.21

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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.