Home / 142,341.03-196,303.37-118,103.60

Finding the Fourth Proportional to 142,341.03, 196,303.37 and 118,103.60

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Solution

The fourth proportional to 142,341.03, 196,303.37 and 118,103.60 is: 162,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,341.03 : 196,303.37 = 118,103.60 : x
  2. Step 2: Convert to fraction form
    142,341.03/196,303.37 = 118,103.60/x
  3. Step 3: Cross multiply
    142,341.03x = 196,303.37 × 118,103.60
  4. Step 4: Simplify right side
    142,341.03x = 23,184,135,475.15
  5. Step 5: Solve for x
    x = 23,184,135,475.15/142,341.03
  6. Step 6: Final answer
    x = 162,877.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.