Home / 91,276.36-136,855.95-38,005.24

Finding the Fourth Proportional to 91,276.36, 136,855.95 and 38,005.24

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Solution

The fourth proportional to 91,276.36, 136,855.95 and 38,005.24 is: 56,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,276.36 : 136,855.95 = 38,005.24 : x
  2. Step 2: Convert to fraction form
    91,276.36/136,855.95 = 38,005.24/x
  3. Step 3: Cross multiply
    91,276.36x = 136,855.95 × 38,005.24
  4. Step 4: Simplify right side
    91,276.36x = 5,201,243,225.18
  5. Step 5: Solve for x
    x = 5,201,243,225.18/91,276.36
  6. Step 6: Final answer
    x = 56,983.46

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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.