Home / 102,349.64-153,547.83-31,282.40

Finding the Fourth Proportional to 102,349.64, 153,547.83 and 31,282.40

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Solution

The fourth proportional to 102,349.64, 153,547.83 and 31,282.40 is: 46,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,349.64 : 153,547.83 = 31,282.40 : x
  2. Step 2: Convert to fraction form
    102,349.64/153,547.83 = 31,282.40/x
  3. Step 3: Cross multiply
    102,349.64x = 153,547.83 × 31,282.40
  4. Step 4: Simplify right side
    102,349.64x = 4,803,343,869.45
  5. Step 5: Solve for x
    x = 4,803,343,869.45/102,349.64
  6. Step 6: Final answer
    x = 46,930.74

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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.