Home / 142,435.08-213,586.75-52,455.08

Finding the Fourth Proportional to 142,435.08, 213,586.75 and 52,455.08

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Solution

The fourth proportional to 142,435.08, 213,586.75 and 52,455.08 is: 78,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,435.08 : 213,586.75 = 52,455.08 : x
  2. Step 2: Convert to fraction form
    142,435.08/213,586.75 = 52,455.08/x
  3. Step 3: Cross multiply
    142,435.08x = 213,586.75 × 52,455.08
  4. Step 4: Simplify right side
    142,435.08x = 11,203,710,058.19
  5. Step 5: Solve for x
    x = 11,203,710,058.19/142,435.08
  6. Step 6: Final answer
    x = 78,658.36

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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.