Home / 91,501.07-137,225.20-31,527.10

Finding the Fourth Proportional to 91,501.07, 137,225.20 and 31,527.10

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Solution

The fourth proportional to 91,501.07, 137,225.20 and 31,527.10 is: 47,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,501.07 : 137,225.20 = 31,527.10 : x
  2. Step 2: Convert to fraction form
    91,501.07/137,225.20 = 31,527.10/x
  3. Step 3: Cross multiply
    91,501.07x = 137,225.20 × 31,527.10
  4. Step 4: Simplify right side
    91,501.07x = 4,326,312,602.92
  5. Step 5: Solve for x
    x = 4,326,312,602.92/91,501.07
  6. Step 6: Final answer
    x = 47,281.55

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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.