Home / 156,492.61-234,557.57-72,075.62

Finding the Fourth Proportional to 156,492.61, 234,557.57 and 72,075.62

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Solution

The fourth proportional to 156,492.61, 234,557.57 and 72,075.62 is: 108,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,492.61 : 234,557.57 = 72,075.62 : x
  2. Step 2: Convert to fraction form
    156,492.61/234,557.57 = 72,075.62/x
  3. Step 3: Cross multiply
    156,492.61x = 234,557.57 × 72,075.62
  4. Step 4: Simplify right side
    156,492.61x = 16,905,883,050.03
  5. Step 5: Solve for x
    x = 16,905,883,050.03/156,492.61
  6. Step 6: Final answer
    x = 108,029.91

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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.