Home / 153,492.19-211,833.55-89,830.04

Finding the Fourth Proportional to 153,492.19, 211,833.55 and 89,830.04

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Solution

The fourth proportional to 153,492.19, 211,833.55 and 89,830.04 is: 123,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,492.19 : 211,833.55 = 89,830.04 : x
  2. Step 2: Convert to fraction form
    153,492.19/211,833.55 = 89,830.04/x
  3. Step 3: Cross multiply
    153,492.19x = 211,833.55 × 89,830.04
  4. Step 4: Simplify right side
    153,492.19x = 19,029,014,817.67
  5. Step 5: Solve for x
    x = 19,029,014,817.67/153,492.19
  6. Step 6: Final answer
    x = 123,973.83

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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.