Home / 153,824.24-212,289.44-84,927.22

Finding the Fourth Proportional to 153,824.24, 212,289.44 and 84,927.22

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Solution

The fourth proportional to 153,824.24, 212,289.44 and 84,927.22 is: 117,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,824.24 : 212,289.44 = 84,927.22 : x
  2. Step 2: Convert to fraction form
    153,824.24/212,289.44 = 84,927.22/x
  3. Step 3: Cross multiply
    153,824.24x = 212,289.44 × 84,927.22
  4. Step 4: Simplify right side
    153,824.24x = 18,029,151,019.20
  5. Step 5: Solve for x
    x = 18,029,151,019.20/153,824.24
  6. Step 6: Final answer
    x = 117,206.17

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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.