Home / 91,208.32-125,868-53,483.20

Finding the Fourth Proportional to 91,208.32, 125,868 and 53,483.20

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Solution

The fourth proportional to 91,208.32, 125,868 and 53,483.20 is: 73,807.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,208.32 : 125,868 = 53,483.20 : x
  2. Step 2: Convert to fraction form
    91,208.32/125,868 = 53,483.20/x
  3. Step 3: Cross multiply
    91,208.32x = 125,868 × 53,483.20
  4. Step 4: Simplify right side
    91,208.32x = 6,731,823,417.60
  5. Step 5: Solve for x
    x = 6,731,823,417.60/91,208.32
  6. Step 6: Final answer
    x = 73,807.12

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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.