Home / 127,223.10-190,834.65-89,898.30

Finding the Fourth Proportional to 127,223.10, 190,834.65 and 89,898.30

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Solution

The fourth proportional to 127,223.10, 190,834.65 and 89,898.30 is: 134,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,223.10 : 190,834.65 = 89,898.30 : x
  2. Step 2: Convert to fraction form
    127,223.10/190,834.65 = 89,898.30/x
  3. Step 3: Cross multiply
    127,223.10x = 190,834.65 × 89,898.30
  4. Step 4: Simplify right side
    127,223.10x = 17,155,710,616.10
  5. Step 5: Solve for x
    x = 17,155,710,616.10/127,223.10
  6. Step 6: Final answer
    x = 134,847.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.