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Finding the Fourth Proportional to 142,887.80, 214,332.44 and 36,271.80

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Solution

The fourth proportional to 142,887.80, 214,332.44 and 36,271.80 is: 54,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,887.80 : 214,332.44 = 36,271.80 : x
  2. Step 2: Convert to fraction form
    142,887.80/214,332.44 = 36,271.80/x
  3. Step 3: Cross multiply
    142,887.80x = 214,332.44 × 36,271.80
  4. Step 4: Simplify right side
    142,887.80x = 7,774,223,215.83
  5. Step 5: Solve for x
    x = 7,774,223,215.83/142,887.80
  6. Step 6: Final answer
    x = 54,407.89

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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.