Home / 105,293.60-158,002.80-38,780.48

Finding the Fourth Proportional to 105,293.60, 158,002.80 and 38,780.48

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Solution

The fourth proportional to 105,293.60, 158,002.80 and 38,780.48 is: 58,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,293.60 : 158,002.80 = 38,780.48 : x
  2. Step 2: Convert to fraction form
    105,293.60/158,002.80 = 38,780.48/x
  3. Step 3: Cross multiply
    105,293.60x = 158,002.80 × 38,780.48
  4. Step 4: Simplify right side
    105,293.60x = 6,127,424,425.34
  5. Step 5: Solve for x
    x = 6,127,424,425.34/105,293.60
  6. Step 6: Final answer
    x = 58,193.70

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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.