Home / 120,061.74-180,196.04-66,806.93

Finding the Fourth Proportional to 120,061.74, 180,196.04 and 66,806.93

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Solution

The fourth proportional to 120,061.74, 180,196.04 and 66,806.93 is: 100,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,061.74 : 180,196.04 = 66,806.93 : x
  2. Step 2: Convert to fraction form
    120,061.74/180,196.04 = 66,806.93/x
  3. Step 3: Cross multiply
    120,061.74x = 180,196.04 × 66,806.93
  4. Step 4: Simplify right side
    120,061.74x = 12,038,343,834.46
  5. Step 5: Solve for x
    x = 12,038,343,834.46/120,061.74
  6. Step 6: Final answer
    x = 100,267.94

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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.