Home / 132,715.04-183,140.45-72,285.40

Finding the Fourth Proportional to 132,715.04, 183,140.45 and 72,285.40

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Solution

The fourth proportional to 132,715.04, 183,140.45 and 72,285.40 is: 99,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,715.04 : 183,140.45 = 72,285.40 : x
  2. Step 2: Convert to fraction form
    132,715.04/183,140.45 = 72,285.40/x
  3. Step 3: Cross multiply
    132,715.04x = 183,140.45 × 72,285.40
  4. Step 4: Simplify right side
    132,715.04x = 13,238,380,136.22
  5. Step 5: Solve for x
    x = 13,238,380,136.22/132,715.04
  6. Step 6: Final answer
    x = 99,750.41

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1.5x scale

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.