Home / 145,590.40-218,255.68-56,823.28

Finding the Fourth Proportional to 145,590.40, 218,255.68 and 56,823.28

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Solution

The fourth proportional to 145,590.40, 218,255.68 and 56,823.28 is: 85,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,590.40 : 218,255.68 = 56,823.28 : x
  2. Step 2: Convert to fraction form
    145,590.40/218,255.68 = 56,823.28/x
  3. Step 3: Cross multiply
    145,590.40x = 218,255.68 × 56,823.28
  4. Step 4: Simplify right side
    145,590.40x = 12,402,003,616.23
  5. Step 5: Solve for x
    x = 12,402,003,616.23/145,590.40
  6. Step 6: Final answer
    x = 85,184.21

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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.