Home / 145,512.64-218,270.58-40,332.52

Finding the Fourth Proportional to 145,512.64, 218,270.58 and 40,332.52

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Solution

The fourth proportional to 145,512.64, 218,270.58 and 40,332.52 is: 60,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,512.64 : 218,270.58 = 40,332.52 : x
  2. Step 2: Convert to fraction form
    145,512.64/218,270.58 = 40,332.52/x
  3. Step 3: Cross multiply
    145,512.64x = 218,270.58 × 40,332.52
  4. Step 4: Simplify right side
    145,512.64x = 8,803,402,533.26
  5. Step 5: Solve for x
    x = 8,803,402,533.26/145,512.64
  6. Step 6: Final answer
    x = 60,499.23

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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.