Home / 145,050.40-217,570.12-39,866.64

Finding the Fourth Proportional to 145,050.40, 217,570.12 and 39,866.64

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Solution

The fourth proportional to 145,050.40, 217,570.12 and 39,866.64 is: 59,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,050.40 : 217,570.12 = 39,866.64 : x
  2. Step 2: Convert to fraction form
    145,050.40/217,570.12 = 39,866.64/x
  3. Step 3: Cross multiply
    145,050.40x = 217,570.12 × 39,866.64
  4. Step 4: Simplify right side
    145,050.40x = 8,673,789,648.80
  5. Step 5: Solve for x
    x = 8,673,789,648.80/145,050.40
  6. Step 6: Final answer
    x = 59,798.45

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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.