Home / 92,927.47-139,370.19-42,980.16

Finding the Fourth Proportional to 92,927.47, 139,370.19 and 42,980.16

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Solution

The fourth proportional to 92,927.47, 139,370.19 and 42,980.16 is: 64,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,927.47 : 139,370.19 = 42,980.16 : x
  2. Step 2: Convert to fraction form
    92,927.47/139,370.19 = 42,980.16/x
  3. Step 3: Cross multiply
    92,927.47x = 139,370.19 × 42,980.16
  4. Step 4: Simplify right side
    92,927.47x = 5,990,153,065.43
  5. Step 5: Solve for x
    x = 5,990,153,065.43/92,927.47
  6. Step 6: Final answer
    x = 64,460.52

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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.