Home / 147,864.96-221,807.16-53,085.24

Finding the Fourth Proportional to 147,864.96, 221,807.16 and 53,085.24

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Solution

The fourth proportional to 147,864.96, 221,807.16 and 53,085.24 is: 79,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,864.96 : 221,807.16 = 53,085.24 : x
  2. Step 2: Convert to fraction form
    147,864.96/221,807.16 = 53,085.24/x
  3. Step 3: Cross multiply
    147,864.96x = 221,807.16 × 53,085.24
  4. Step 4: Simplify right side
    147,864.96x = 11,774,686,322.32
  5. Step 5: Solve for x
    x = 11,774,686,322.32/147,864.96
  6. Step 6: Final answer
    x = 79,631.35

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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.