Home / 152,237.52-209,948.94-130,720.50

Finding the Fourth Proportional to 152,237.52, 209,948.94 and 130,720.50

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Solution

The fourth proportional to 152,237.52, 209,948.94 and 130,720.50 is: 180,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,237.52 : 209,948.94 = 130,720.50 : x
  2. Step 2: Convert to fraction form
    152,237.52/209,948.94 = 130,720.50/x
  3. Step 3: Cross multiply
    152,237.52x = 209,948.94 × 130,720.50
  4. Step 4: Simplify right side
    152,237.52x = 27,444,630,411.27
  5. Step 5: Solve for x
    x = 27,444,630,411.27/152,237.52
  6. Step 6: Final answer
    x = 180,275.08

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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.