Home / 140,085.74-193,314.48-76,423.52

Finding the Fourth Proportional to 140,085.74, 193,314.48 and 76,423.52

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Solution

The fourth proportional to 140,085.74, 193,314.48 and 76,423.52 is: 105,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,085.74 : 193,314.48 = 76,423.52 : x
  2. Step 2: Convert to fraction form
    140,085.74/193,314.48 = 76,423.52/x
  3. Step 3: Cross multiply
    140,085.74x = 193,314.48 × 76,423.52
  4. Step 4: Simplify right side
    140,085.74x = 14,773,772,062.00
  5. Step 5: Solve for x
    x = 14,773,772,062.00/140,085.74
  6. Step 6: Final answer
    x = 105,462.36

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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.