Home / 90,334.32-135,547.74-43,002.96

Finding the Fourth Proportional to 90,334.32, 135,547.74 and 43,002.96

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Solution

The fourth proportional to 90,334.32, 135,547.74 and 43,002.96 is: 64,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,334.32 : 135,547.74 = 43,002.96 : x
  2. Step 2: Convert to fraction form
    90,334.32/135,547.74 = 43,002.96/x
  3. Step 3: Cross multiply
    90,334.32x = 135,547.74 × 43,002.96
  4. Step 4: Simplify right side
    90,334.32x = 5,828,954,041.31
  5. Step 5: Solve for x
    x = 5,828,954,041.31/90,334.32
  6. Step 6: Final answer
    x = 64,526.46

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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.