Home / 142,759.90-214,066.95-52,798.06

Finding the Fourth Proportional to 142,759.90, 214,066.95 and 52,798.06

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Solution

The fourth proportional to 142,759.90, 214,066.95 and 52,798.06 is: 79,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,759.90 : 214,066.95 = 52,798.06 : x
  2. Step 2: Convert to fraction form
    142,759.90/214,066.95 = 52,798.06/x
  3. Step 3: Cross multiply
    142,759.90x = 214,066.95 × 52,798.06
  4. Step 4: Simplify right side
    142,759.90x = 11,302,319,670.12
  5. Step 5: Solve for x
    x = 11,302,319,670.12/142,759.90
  6. Step 6: Final answer
    x = 79,170.13

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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.