Home / 145,528.68-218,205.54-55,577.28

Finding the Fourth Proportional to 145,528.68, 218,205.54 and 55,577.28

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Solution

The fourth proportional to 145,528.68, 218,205.54 and 55,577.28 is: 83,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,528.68 : 218,205.54 = 55,577.28 : x
  2. Step 2: Convert to fraction form
    145,528.68/218,205.54 = 55,577.28/x
  3. Step 3: Cross multiply
    145,528.68x = 218,205.54 × 55,577.28
  4. Step 4: Simplify right side
    145,528.68x = 12,127,270,394.13
  5. Step 5: Solve for x
    x = 12,127,270,394.13/145,528.68
  6. Step 6: Final answer
    x = 83,332.51

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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.