Home / 142,642.16-214,003.23-57,312.93

Finding the Fourth Proportional to 142,642.16, 214,003.23 and 57,312.93

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Solution

The fourth proportional to 142,642.16, 214,003.23 and 57,312.93 is: 85,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,642.16 : 214,003.23 = 57,312.93 : x
  2. Step 2: Convert to fraction form
    142,642.16/214,003.23 = 57,312.93/x
  3. Step 3: Cross multiply
    142,642.16x = 214,003.23 × 57,312.93
  4. Step 4: Simplify right side
    142,642.16x = 12,265,152,140.76
  5. Step 5: Solve for x
    x = 12,265,152,140.76/142,642.16
  6. Step 6: Final answer
    x = 85,985.47

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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.