Home / 210,033.60-315,070.02-83,643.36

Finding the Fourth Proportional to 210,033.60, 315,070.02 and 83,643.36

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Solution

The fourth proportional to 210,033.60, 315,070.02 and 83,643.36 is: 125,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,033.60 : 315,070.02 = 83,643.36 : x
  2. Step 2: Convert to fraction form
    210,033.60/315,070.02 = 83,643.36/x
  3. Step 3: Cross multiply
    210,033.60x = 315,070.02 × 83,643.36
  4. Step 4: Simplify right side
    210,033.60x = 26,353,515,108.07
  5. Step 5: Solve for x
    x = 26,353,515,108.07/210,033.60
  6. Step 6: Final answer
    x = 125,472.85

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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.