Home / 102,455.48-153,646.25-43,295.72

Finding the Fourth Proportional to 102,455.48, 153,646.25 and 43,295.72

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Solution

The fourth proportional to 102,455.48, 153,646.25 and 43,295.72 is: 64,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,455.48 : 153,646.25 = 43,295.72 : x
  2. Step 2: Convert to fraction form
    102,455.48/153,646.25 = 43,295.72/x
  3. Step 3: Cross multiply
    102,455.48x = 153,646.25 × 43,295.72
  4. Step 4: Simplify right side
    102,455.48x = 6,652,225,019.05
  5. Step 5: Solve for x
    x = 6,652,225,019.05/102,455.48
  6. Step 6: Final answer
    x = 64,927.96

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1.5x scale

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.