Home / 91,237.57-136,860.14-31,307.25

Finding the Fourth Proportional to 91,237.57, 136,860.14 and 31,307.25

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Solution

The fourth proportional to 91,237.57, 136,860.14 and 31,307.25 is: 46,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,237.57 : 136,860.14 = 31,307.25 : x
  2. Step 2: Convert to fraction form
    91,237.57/136,860.14 = 31,307.25/x
  3. Step 3: Cross multiply
    91,237.57x = 136,860.14 × 31,307.25
  4. Step 4: Simplify right side
    91,237.57x = 4,284,713,777.18
  5. Step 5: Solve for x
    x = 4,284,713,777.18/91,237.57
  6. Step 6: Final answer
    x = 46,962.16

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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.