Home / 130,573.94-179,018.52-128,211.98

Finding the Fourth Proportional to 130,573.94, 179,018.52 and 128,211.98

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Solution

The fourth proportional to 130,573.94, 179,018.52 and 128,211.98 is: 175,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,573.94 : 179,018.52 = 128,211.98 : x
  2. Step 2: Convert to fraction form
    130,573.94/179,018.52 = 128,211.98/x
  3. Step 3: Cross multiply
    130,573.94x = 179,018.52 × 128,211.98
  4. Step 4: Simplify right side
    130,573.94x = 22,952,318,010.78
  5. Step 5: Solve for x
    x = 22,952,318,010.78/130,573.94
  6. Step 6: Final answer
    x = 175,780.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.