Home / 90,160.74-124,421.81-49,325.20

Finding the Fourth Proportional to 90,160.74, 124,421.81 and 49,325.20

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Solution

The fourth proportional to 90,160.74, 124,421.81 and 49,325.20 is: 68,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,160.74 : 124,421.81 = 49,325.20 : x
  2. Step 2: Convert to fraction form
    90,160.74/124,421.81 = 49,325.20/x
  3. Step 3: Cross multiply
    90,160.74x = 124,421.81 × 49,325.20
  4. Step 4: Simplify right side
    90,160.74x = 6,137,130,662.61
  5. Step 5: Solve for x
    x = 6,137,130,662.61/90,160.74
  6. Step 6: Final answer
    x = 68,068.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.