Home / 142,622.51-213,925.12-37,439.15

Finding the Fourth Proportional to 142,622.51, 213,925.12 and 37,439.15

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Solution

The fourth proportional to 142,622.51, 213,925.12 and 37,439.15 is: 56,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,622.51 : 213,925.12 = 37,439.15 : x
  2. Step 2: Convert to fraction form
    142,622.51/213,925.12 = 37,439.15/x
  3. Step 3: Cross multiply
    142,622.51x = 213,925.12 × 37,439.15
  4. Step 4: Simplify right side
    142,622.51x = 8,009,173,493.22
  5. Step 5: Solve for x
    x = 8,009,173,493.22/142,622.51
  6. Step 6: Final answer
    x = 56,156.45

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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.