Home / 142,153.04-213,230.26-57,914.02

Finding the Fourth Proportional to 142,153.04, 213,230.26 and 57,914.02

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Solution

The fourth proportional to 142,153.04, 213,230.26 and 57,914.02 is: 86,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,153.04 : 213,230.26 = 57,914.02 : x
  2. Step 2: Convert to fraction form
    142,153.04/213,230.26 = 57,914.02/x
  3. Step 3: Cross multiply
    142,153.04x = 213,230.26 × 57,914.02
  4. Step 4: Simplify right side
    142,153.04x = 12,349,021,555.41
  5. Step 5: Solve for x
    x = 12,349,021,555.41/142,153.04
  6. Step 6: Final answer
    x = 86,871.31

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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.