Home / 145,521.27-218,281.23-40,339.89

Finding the Fourth Proportional to 145,521.27, 218,281.23 and 40,339.89

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Solution

The fourth proportional to 145,521.27, 218,281.23 and 40,339.89 is: 60,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,521.27 : 218,281.23 = 40,339.89 : x
  2. Step 2: Convert to fraction form
    145,521.27/218,281.23 = 40,339.89/x
  3. Step 3: Cross multiply
    145,521.27x = 218,281.23 × 40,339.89
  4. Step 4: Simplify right side
    145,521.27x = 8,805,440,807.26
  5. Step 5: Solve for x
    x = 8,805,440,807.26/145,521.27
  6. Step 6: Final answer
    x = 60,509.65

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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.