Home / 104,726.70-157,090.05-76,842.45

Finding the Fourth Proportional to 104,726.70, 157,090.05 and 76,842.45

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Solution

The fourth proportional to 104,726.70, 157,090.05 and 76,842.45 is: 115,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,726.70 : 157,090.05 = 76,842.45 : x
  2. Step 2: Convert to fraction form
    104,726.70/157,090.05 = 76,842.45/x
  3. Step 3: Cross multiply
    104,726.70x = 157,090.05 × 76,842.45
  4. Step 4: Simplify right side
    104,726.70x = 12,071,184,312.62
  5. Step 5: Solve for x
    x = 12,071,184,312.62/104,726.70
  6. Step 6: Final answer
    x = 115,263.68

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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.