Home / 145,292.04-217,532.01-78,492.84

Finding the Fourth Proportional to 145,292.04, 217,532.01 and 78,492.84

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Solution

The fourth proportional to 145,292.04, 217,532.01 and 78,492.84 is: 117,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,292.04 : 217,532.01 = 78,492.84 : x
  2. Step 2: Convert to fraction form
    145,292.04/217,532.01 = 78,492.84/x
  3. Step 3: Cross multiply
    145,292.04x = 217,532.01 × 78,492.84
  4. Step 4: Simplify right side
    145,292.04x = 17,074,705,255.81
  5. Step 5: Solve for x
    x = 17,074,705,255.81/145,292.04
  6. Step 6: Final answer
    x = 117,519.89

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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.