Home / 94,873.08-130,938.75-57,146.52

Finding the Fourth Proportional to 94,873.08, 130,938.75 and 57,146.52

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Solution

The fourth proportional to 94,873.08, 130,938.75 and 57,146.52 is: 78,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,873.08 : 130,938.75 = 57,146.52 : x
  2. Step 2: Convert to fraction form
    94,873.08/130,938.75 = 57,146.52/x
  3. Step 3: Cross multiply
    94,873.08x = 130,938.75 × 57,146.52
  4. Step 4: Simplify right side
    94,873.08x = 7,482,693,895.65
  5. Step 5: Solve for x
    x = 7,482,693,895.65/94,873.08
  6. Step 6: Final answer
    x = 78,870.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.