Home / 117,592.36-162,303.12-72,309.30

Finding the Fourth Proportional to 117,592.36, 162,303.12 and 72,309.30

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Solution

The fourth proportional to 117,592.36, 162,303.12 and 72,309.30 is: 99,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,592.36 : 162,303.12 = 72,309.30 : x
  2. Step 2: Convert to fraction form
    117,592.36/162,303.12 = 72,309.30/x
  3. Step 3: Cross multiply
    117,592.36x = 162,303.12 × 72,309.30
  4. Step 4: Simplify right side
    117,592.36x = 11,736,024,995.02
  5. Step 5: Solve for x
    x = 11,736,024,995.02/117,592.36
  6. Step 6: Final answer
    x = 99,802.61

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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.