Home / 107,278.51-148,034.53-63,663.55

Finding the Fourth Proportional to 107,278.51, 148,034.53 and 63,663.55

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Solution

The fourth proportional to 107,278.51, 148,034.53 and 63,663.55 is: 87,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,278.51 : 148,034.53 = 63,663.55 : x
  2. Step 2: Convert to fraction form
    107,278.51/148,034.53 = 63,663.55/x
  3. Step 3: Cross multiply
    107,278.51x = 148,034.53 × 63,663.55
  4. Step 4: Simplify right side
    107,278.51x = 9,424,403,702.38
  5. Step 5: Solve for x
    x = 9,424,403,702.38/107,278.51
  6. Step 6: Final answer
    x = 87,849.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.