Home / 130,855.50-180,583.02-74,270.52

Finding the Fourth Proportional to 130,855.50, 180,583.02 and 74,270.52

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Solution

The fourth proportional to 130,855.50, 180,583.02 and 74,270.52 is: 102,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,855.50 : 180,583.02 = 74,270.52 : x
  2. Step 2: Convert to fraction form
    130,855.50/180,583.02 = 74,270.52/x
  3. Step 3: Cross multiply
    130,855.50x = 180,583.02 × 74,270.52
  4. Step 4: Simplify right side
    130,855.50x = 13,411,994,798.57
  5. Step 5: Solve for x
    x = 13,411,994,798.57/130,855.50
  6. Step 6: Final answer
    x = 102,494.70

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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.