Home / 120,302.84-180,335.18-57,011.06

Finding the Fourth Proportional to 120,302.84, 180,335.18 and 57,011.06

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Solution

The fourth proportional to 120,302.84, 180,335.18 and 57,011.06 is: 85,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,302.84 : 180,335.18 = 57,011.06 : x
  2. Step 2: Convert to fraction form
    120,302.84/180,335.18 = 57,011.06/x
  3. Step 3: Cross multiply
    120,302.84x = 180,335.18 × 57,011.06
  4. Step 4: Simplify right side
    120,302.84x = 10,281,100,360.46
  5. Step 5: Solve for x
    x = 10,281,100,360.46/120,302.84
  6. Step 6: Final answer
    x = 85,460.16

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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.