Home / 130,485.56-179,898.72-94,156.52

Finding the Fourth Proportional to 130,485.56, 179,898.72 and 94,156.52

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Solution

The fourth proportional to 130,485.56, 179,898.72 and 94,156.52 is: 129,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,485.56 : 179,898.72 = 94,156.52 : x
  2. Step 2: Convert to fraction form
    130,485.56/179,898.72 = 94,156.52/x
  3. Step 3: Cross multiply
    130,485.56x = 179,898.72 × 94,156.52
  4. Step 4: Simplify right side
    130,485.56x = 16,938,637,427.65
  5. Step 5: Solve for x
    x = 16,938,637,427.65/130,485.56
  6. Step 6: Final answer
    x = 129,812.35

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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.