Home / 142,748.04-214,152.12-53,999.60

Finding the Fourth Proportional to 142,748.04, 214,152.12 and 53,999.60

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Solution

The fourth proportional to 142,748.04, 214,152.12 and 53,999.60 is: 81,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,748.04 : 214,152.12 = 53,999.60 : x
  2. Step 2: Convert to fraction form
    142,748.04/214,152.12 = 53,999.60/x
  3. Step 3: Cross multiply
    142,748.04x = 214,152.12 × 53,999.60
  4. Step 4: Simplify right side
    142,748.04x = 11,564,128,819.15
  5. Step 5: Solve for x
    x = 11,564,128,819.15/142,748.04
  6. Step 6: Final answer
    x = 81,010.77

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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.