Home / 105,240.90-157,923.63-38,727.74

Finding the Fourth Proportional to 105,240.90, 157,923.63 and 38,727.74

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Solution

The fourth proportional to 105,240.90, 157,923.63 and 38,727.74 is: 58,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,240.90 : 157,923.63 = 38,727.74 : x
  2. Step 2: Convert to fraction form
    105,240.90/157,923.63 = 38,727.74/x
  3. Step 3: Cross multiply
    105,240.90x = 157,923.63 × 38,727.74
  4. Step 4: Simplify right side
    105,240.90x = 6,116,024,492.88
  5. Step 5: Solve for x
    x = 6,116,024,492.88/105,240.90
  6. Step 6: Final answer
    x = 58,114.52

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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.