Home / 132,720.04-183,154.74-72,290.92

Finding the Fourth Proportional to 132,720.04, 183,154.74 and 72,290.92

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Solution

The fourth proportional to 132,720.04, 183,154.74 and 72,290.92 is: 99,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,720.04 : 183,154.74 = 72,290.92 : x
  2. Step 2: Convert to fraction form
    132,720.04/183,154.74 = 72,290.92/x
  3. Step 3: Cross multiply
    132,720.04x = 183,154.74 × 72,290.92
  4. Step 4: Simplify right side
    132,720.04x = 13,240,424,656.96
  5. Step 5: Solve for x
    x = 13,240,424,656.96/132,720.04
  6. Step 6: Final answer
    x = 99,762.06

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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.