Home / 153,035.40-211,128.38-88,492.76

Finding the Fourth Proportional to 153,035.40, 211,128.38 and 88,492.76

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Solution

The fourth proportional to 153,035.40, 211,128.38 and 88,492.76 is: 122,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,035.40 : 211,128.38 = 88,492.76 : x
  2. Step 2: Convert to fraction form
    153,035.40/211,128.38 = 88,492.76/x
  3. Step 3: Cross multiply
    153,035.40x = 211,128.38 × 88,492.76
  4. Step 4: Simplify right side
    153,035.40x = 18,683,333,060.53
  5. Step 5: Solve for x
    x = 18,683,333,060.53/153,035.40
  6. Step 6: Final answer
    x = 122,085.04

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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.