Home / 145,338.32-218,007.59-40,157.39

Finding the Fourth Proportional to 145,338.32, 218,007.59 and 40,157.39

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Solution

The fourth proportional to 145,338.32, 218,007.59 and 40,157.39 is: 60,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,338.32 : 218,007.59 = 40,157.39 : x
  2. Step 2: Convert to fraction form
    145,338.32/218,007.59 = 40,157.39/x
  3. Step 3: Cross multiply
    145,338.32x = 218,007.59 × 40,157.39
  4. Step 4: Simplify right side
    145,338.32x = 8,754,616,158.82
  5. Step 5: Solve for x
    x = 8,754,616,158.82/145,338.32
  6. Step 6: Final answer
    x = 60,236.12

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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.