Home / 130,045.15-195,028.84-67,681.63

Finding the Fourth Proportional to 130,045.15, 195,028.84 and 67,681.63

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Solution

The fourth proportional to 130,045.15, 195,028.84 and 67,681.63 is: 101,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045.15 : 195,028.84 = 67,681.63 : x
  2. Step 2: Convert to fraction form
    130,045.15/195,028.84 = 67,681.63/x
  3. Step 3: Cross multiply
    130,045.15x = 195,028.84 × 67,681.63
  4. Step 4: Simplify right side
    130,045.15x = 13,199,869,788.21
  5. Step 5: Solve for x
    x = 13,199,869,788.21/130,045.15
  6. Step 6: Final answer
    x = 101,502.21

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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.