Home / 130,646.25-180,295.47-74,061.27

Finding the Fourth Proportional to 130,646.25, 180,295.47 and 74,061.27

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Solution

The fourth proportional to 130,646.25, 180,295.47 and 74,061.27 is: 102,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,646.25 : 180,295.47 = 74,061.27 : x
  2. Step 2: Convert to fraction form
    130,646.25/180,295.47 = 74,061.27/x
  3. Step 3: Cross multiply
    130,646.25x = 180,295.47 × 74,061.27
  4. Step 4: Simplify right side
    130,646.25x = 13,352,911,483.45
  5. Step 5: Solve for x
    x = 13,352,911,483.45/130,646.25
  6. Step 6: Final answer
    x = 102,206.62

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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.