Home / 142,750.04-214,127.58-54,045.32

Finding the Fourth Proportional to 142,750.04, 214,127.58 and 54,045.32

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Solution

The fourth proportional to 142,750.04, 214,127.58 and 54,045.32 is: 81,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,750.04 : 214,127.58 = 54,045.32 : x
  2. Step 2: Convert to fraction form
    142,750.04/214,127.58 = 54,045.32/x
  3. Step 3: Cross multiply
    142,750.04x = 214,127.58 × 54,045.32
  4. Step 4: Simplify right side
    142,750.04x = 11,572,593,581.93
  5. Step 5: Solve for x
    x = 11,572,593,581.93/142,750.04
  6. Step 6: Final answer
    x = 81,068.93

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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.