Home / 90,298.94-135,448.47-53,118.18

Finding the Fourth Proportional to 90,298.94, 135,448.47 and 53,118.18

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Solution

The fourth proportional to 90,298.94, 135,448.47 and 53,118.18 is: 79,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,298.94 : 135,448.47 = 53,118.18 : x
  2. Step 2: Convert to fraction form
    90,298.94/135,448.47 = 53,118.18/x
  3. Step 3: Cross multiply
    90,298.94x = 135,448.47 × 53,118.18
  4. Step 4: Simplify right side
    90,298.94x = 7,194,776,210.18
  5. Step 5: Solve for x
    x = 7,194,776,210.18/90,298.94
  6. Step 6: Final answer
    x = 79,677.31

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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.