Home / 97,685.02-146,549.63-31,128.94

Finding the Fourth Proportional to 97,685.02, 146,549.63 and 31,128.94

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Solution

The fourth proportional to 97,685.02, 146,549.63 and 31,128.94 is: 46,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,685.02 : 146,549.63 = 31,128.94 : x
  2. Step 2: Convert to fraction form
    97,685.02/146,549.63 = 31,128.94/x
  3. Step 3: Cross multiply
    97,685.02x = 146,549.63 × 31,128.94
  4. Step 4: Simplify right side
    97,685.02x = 4,561,934,639.29
  5. Step 5: Solve for x
    x = 4,561,934,639.29/97,685.02
  6. Step 6: Final answer
    x = 46,700.45

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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.