Home / 112,528.04-155,307.79-64,809.02

Finding the Fourth Proportional to 112,528.04, 155,307.79 and 64,809.02

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Solution

The fourth proportional to 112,528.04, 155,307.79 and 64,809.02 is: 89,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,528.04 : 155,307.79 = 64,809.02 : x
  2. Step 2: Convert to fraction form
    112,528.04/155,307.79 = 64,809.02/x
  3. Step 3: Cross multiply
    112,528.04x = 155,307.79 × 64,809.02
  4. Step 4: Simplify right side
    112,528.04x = 10,065,344,729.70
  5. Step 5: Solve for x
    x = 10,065,344,729.70/112,528.04
  6. Step 6: Final answer
    x = 89,447.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.