Home / 147,865.80-221,798.70-88,768.20

Finding the Fourth Proportional to 147,865.80, 221,798.70 and 88,768.20

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Solution

The fourth proportional to 147,865.80, 221,798.70 and 88,768.20 is: 133,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,865.80 : 221,798.70 = 88,768.20 : x
  2. Step 2: Convert to fraction form
    147,865.80/221,798.70 = 88,768.20/x
  3. Step 3: Cross multiply
    147,865.80x = 221,798.70 × 88,768.20
  4. Step 4: Simplify right side
    147,865.80x = 19,688,671,361.34
  5. Step 5: Solve for x
    x = 19,688,671,361.34/147,865.80
  6. Step 6: Final answer
    x = 133,152.30

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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.