Home / 219,087.05-302,341.01-118,485.05

Finding the Fourth Proportional to 219,087.05, 302,341.01 and 118,485.05

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Solution

The fourth proportional to 219,087.05, 302,341.01 and 118,485.05 is: 163,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,087.05 : 302,341.01 = 118,485.05 : x
  2. Step 2: Convert to fraction form
    219,087.05/302,341.01 = 118,485.05/x
  3. Step 3: Cross multiply
    219,087.05x = 302,341.01 × 118,485.05
  4. Step 4: Simplify right side
    219,087.05x = 35,822,887,582.77
  5. Step 5: Solve for x
    x = 35,822,887,582.77/219,087.05
  6. Step 6: Final answer
    x = 163,509.84

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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.