Home / 210,037.60-315,076.02-83,647.36

Finding the Fourth Proportional to 210,037.60, 315,076.02 and 83,647.36

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Solution

The fourth proportional to 210,037.60, 315,076.02 and 83,647.36 is: 125,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,037.60 : 315,076.02 = 83,647.36 : x
  2. Step 2: Convert to fraction form
    210,037.60/315,076.02 = 83,647.36/x
  3. Step 3: Cross multiply
    210,037.60x = 315,076.02 × 83,647.36
  4. Step 4: Simplify right side
    210,037.60x = 26,355,277,272.31
  5. Step 5: Solve for x
    x = 26,355,277,272.31/210,037.60
  6. Step 6: Final answer
    x = 125,478.85

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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.