Home / 142,840.18-214,287.35-57,457.57

Finding the Fourth Proportional to 142,840.18, 214,287.35 and 57,457.57

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Solution

The fourth proportional to 142,840.18, 214,287.35 and 57,457.57 is: 86,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,840.18 : 214,287.35 = 57,457.57 : x
  2. Step 2: Convert to fraction form
    142,840.18/214,287.35 = 57,457.57/x
  3. Step 3: Cross multiply
    142,840.18x = 214,287.35 × 57,457.57
  4. Step 4: Simplify right side
    142,840.18x = 12,312,429,054.01
  5. Step 5: Solve for x
    x = 12,312,429,054.01/142,840.18
  6. Step 6: Final answer
    x = 86,197.24

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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.