Home / 160,002.18-240,153.93-81,172.98

Finding the Fourth Proportional to 160,002.18, 240,153.93 and 81,172.98

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Solution

The fourth proportional to 160,002.18, 240,153.93 and 81,172.98 is: 121,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,002.18 : 240,153.93 = 81,172.98 : x
  2. Step 2: Convert to fraction form
    160,002.18/240,153.93 = 81,172.98/x
  3. Step 3: Cross multiply
    160,002.18x = 240,153.93 × 81,172.98
  4. Step 4: Simplify right side
    160,002.18x = 19,494,010,156.81
  5. Step 5: Solve for x
    x = 19,494,010,156.81/160,002.18
  6. Step 6: Final answer
    x = 121,835.90

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1.5x scale

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.