Home / 147,798.75-203,962.48-84,136.55

Finding the Fourth Proportional to 147,798.75, 203,962.48 and 84,136.55

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Solution

The fourth proportional to 147,798.75, 203,962.48 and 84,136.55 is: 116,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,798.75 : 203,962.48 = 84,136.55 : x
  2. Step 2: Convert to fraction form
    147,798.75/203,962.48 = 84,136.55/x
  3. Step 3: Cross multiply
    147,798.75x = 203,962.48 × 84,136.55
  4. Step 4: Simplify right side
    147,798.75x = 17,160,698,976.77
  5. Step 5: Solve for x
    x = 17,160,698,976.77/147,798.75
  6. Step 6: Final answer
    x = 116,108.55

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1.5x scale

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.