Home / 147,985.16-204,219.70-84,322.76

Finding the Fourth Proportional to 147,985.16, 204,219.70 and 84,322.76

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Solution

The fourth proportional to 147,985.16, 204,219.70 and 84,322.76 is: 116,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,985.16 : 204,219.70 = 84,322.76 : x
  2. Step 2: Convert to fraction form
    147,985.16/204,219.70 = 84,322.76/x
  3. Step 3: Cross multiply
    147,985.16x = 204,219.70 × 84,322.76
  4. Step 4: Simplify right side
    147,985.16x = 17,220,368,750.37
  5. Step 5: Solve for x
    x = 17,220,368,750.37/147,985.16
  6. Step 6: Final answer
    x = 116,365.51

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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.