Home / 130,655.25-180,307.89-74,070.27

Finding the Fourth Proportional to 130,655.25, 180,307.89 and 74,070.27

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Solution

The fourth proportional to 130,655.25, 180,307.89 and 74,070.27 is: 102,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,655.25 : 180,307.89 = 74,070.27 : x
  2. Step 2: Convert to fraction form
    130,655.25/180,307.89 = 74,070.27/x
  3. Step 3: Cross multiply
    130,655.25x = 180,307.89 × 74,070.27
  4. Step 4: Simplify right side
    130,655.25x = 13,355,454,095.43
  5. Step 5: Solve for x
    x = 13,355,454,095.43/130,655.25
  6. Step 6: Final answer
    x = 102,219.04

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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.