Home / 147,336.84-221,070.60-77,199.48

Finding the Fourth Proportional to 147,336.84, 221,070.60 and 77,199.48

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Solution

The fourth proportional to 147,336.84, 221,070.60 and 77,199.48 is: 115,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,336.84 : 221,070.60 = 77,199.48 : x
  2. Step 2: Convert to fraction form
    147,336.84/221,070.60 = 77,199.48/x
  3. Step 3: Cross multiply
    147,336.84x = 221,070.60 × 77,199.48
  4. Step 4: Simplify right side
    147,336.84x = 17,066,535,363.29
  5. Step 5: Solve for x
    x = 17,066,535,363.29/147,336.84
  6. Step 6: Final answer
    x = 115,833.46

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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.