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Finding the Fourth Proportional to 145,867.63, 218,801.48 and 46,035.63

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Solution

The fourth proportional to 145,867.63, 218,801.48 and 46,035.63 is: 69,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,867.63 : 218,801.48 = 46,035.63 : x
  2. Step 2: Convert to fraction form
    145,867.63/218,801.48 = 46,035.63/x
  3. Step 3: Cross multiply
    145,867.63x = 218,801.48 × 46,035.63
  4. Step 4: Simplify right side
    145,867.63x = 10,072,663,746.55
  5. Step 5: Solve for x
    x = 10,072,663,746.55/145,867.63
  6. Step 6: Final answer
    x = 69,053.46

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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.